Collect Earth Online (CEO) has many resources if you want to learn how to use the tool, please see these resources below:
We have collaborated with FAO on the development of tools and modules comprising the OpenForis suite of free and open source tools. The two co-developed tools include Collect Earth Online, an image attribution platform, and SEPAL, a geospatial cloud computing platform. Collect Earth Online is a system for viewing and interpreting high-resolution satellite imagery. It enables users to efficiently collect up-to-date information about their environment and observe changes over time. Organizations around the world use CEO to detect deforestation, forest degradation, and other changes in the landscape.